22628701 has 4 divisors (see below), whose sum is σ = 22794012. Its totient is φ = 22463392.

The previous prime is 22628699. The next prime is 22628713. The reversal of 22628701 is 10782622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10782622 = 2 ⋅5391311.

It can be written as a sum of positive squares in 2 ways, for example, as 8415801 + 14212900 = 2901^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 22628701 - 2¹ = 22628699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22628701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22628731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82450 + ... + 82723.

It is an arithmetic number, because the mean of its divisors is an integer number (5698503).

Almost surely, 2^22628701 is an apocalyptic number.

It is an amenable number.

22628701 is a deficient number, since it is larger than the sum of its proper divisors (165311).

22628701 is a wasteful number, since it uses less digits than its factorization.

22628701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165310.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 22628701 is about 4756.9634221844. The cubic root of 22628701 is about 282.8480623819.

The spelling of 22628701 in words is "twenty-two million, six hundred twenty-eight thousand, seven hundred one".